Refrigerator



FIG. 1 is a perspective view showing the refrigerator;

FIG. 2 is a front side view thereof;

FIG. 3 is a top side view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines appearing in FIGS. 1-7 define the bounds of the claimed design and/or disclose environment related to the claimed design and therefore for no part of the claimed design. 

The ornamental design for a refrigerator, as shown and described. 